Returns a human-readable label for use in tree plot annotations. When
var_labels contains a named entry matching var_name, that label is used.
Otherwise, the function falls back to .tree_default_name().
Usage
tree_pretty_var_name(var_name, var_labels = NULL)
Arguments
- var_name
A character scalar naming the variable to label.
- var_labels
An optional named character vector of display labels.
Value
A length-one character vector used in plot labels.